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A. Ahlstrom
AA
A. Ahlstrom
— 235 Patents
Rank
(All Time):
#3,201
of
105,732
Top 4%
166
inventors
235
Patents All Time
Patents per Year
Patents granted per year, 1986 to 1999
Bar chart with a peak of 34 patents in 1992.
peak 34
1986: 1 patents
1986
1987: 8 patents
1988: 14 patents
1988
1989: 19 patents
1990: 33 patents
1990
1991: 19 patents
1992: 34 patents
1992
1993: 30 patents
1994: 24 patents
1994
1995: 22 patents
1996: 21 patents
1996
1997: 3 patents
1998: 5 patents
1998
1999: 2 patents
1999
Top Inventors at A. Ahlstrom
All Time
Showing
1–50
of
166
inventors
Rank
Name
Patents
1
Folke Engstrom
27
2
Kaj Henricson
25
3
Juhani Isaksson
16
#4
Timo Hyppanen
14
#4
Toivo Niskanen
14
#6
Reijo Kuivalainen
13
#6
Reijo Vesala
13
#6
Vesa Vikman
13
#9
Olavi Pikka
12
#10
Matti Hiltunen
10
#11
Jukka Timperi
9
#11
Pentti Vikio
9
#13
Erkki Kiiskila
8
#13
Frey Frejborg
8
#13
Raimo Kohonen
8
#16
Risto Ljokkoi
7
#16
Rolf E. Malmstrom
7
#18
Esko Mattelmaki
6
#18
Jorma Elonen
6
#18
Jorma Nieminen
6
#18
Yam Y. Lee
6
#22
Johan Gullichsen
5
#22
Pasi Immonen
5
#22
Rolf Ryham
5
#25
Bertel K. Hakulin
4
#25
Eric J. Oakes
4
#25
Erkki Savolainen
4
#25
Harri Qvintus
4
#25
Jukka Heino
4
#25
Kari Peltonen
4
#25
Karukkampalayam M. Sellakumar
4
#25
Olli Arpalahti
4
#25
Ragnar G. Lundqvist
4
#25
Raimo Pitkanen
4
#25
Seppo K. Kokkonen
4
#25
Voitto Reponen
4
#37
Brian F. Greenwood
3
#37
Eero Berg
3
#37
Harry Lampenius
3
#37
Hannu Ronkonharju
3
#37
Heikki Manninen
3
#37
Kurt Westerlund
3
#37
Mika P. Makela
3
#37
Pertti Hynninen
3
#37
Seppo Ruottu
3
#37
Tapio Peroaho
3
#47
Anja Klarin
2
#47
Antero Laine
2
#47
Charles M. Davis
2
#47
Erkki A. Ruuskanen
2
1
2
3
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